/*
XPTracker - Alternative Agile Tracking Tool
Copyright (C) 2006-2009  Stephen Starkey

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/
package org.xptracker.util;

import com.google.inject.Provider;

import java.util.ArrayList;
import java.util.List;

public class UserConfigStringList extends UserConfigBase implements Provider<List<String>> {
  public UserConfigStringList(String resource, String property) {
    super(resource, property, null);
  }

  public List<String> get() {
    List<String> values = new ArrayList<String>();
    addValue(getValue(), values);

    int index = 1;
    String value;
    do {
      value = new UserConfigString(resource, property + "." + index++, null).get();
      addValue(value, values);
    } while (value != null);

    return values;
  }

  private void addValue(String singleValue, List<String> values) {
    if (singleValue != null) {
      values.add(singleValue);
    }
  }
}
